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. 2003 Sep 30;89(7):1248–1254. doi: 10.1038/sj.bjc.6601272

Table 1. Seroprevalence of HPV-16, -18, -31, and -45 in the Costa Rican population-based cohort.

HPV type Seroprevalence Only this type This plus other typea
16 (n=9949) 1533 (15.4%) 579 (5.8%) 954 (9.6%)
18 (n=9928) 1537 (15.5%) 626 (6.3%) 911 (9.2%)
31 (n=9932) 1638 (16.5%) 643 (6.5%) 995 (10.0%)
45 (n=3019) 335 (11.1%) 91 (3.0%) 244 (8.1%)
a

Other defined as HPV-16, -18, and -31. HPV-45 was not included due to termination of assay.